Cave Surf Report & Forecast

Mafra, Portugal

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Current Surf Conditions at Cave

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Last Updated:20h ago
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🌊 Surf Quality Timeline (Week)

Best windows in green
Sun
Mon
Tue
Wed
Thu
Fri
Sat

SELECT DAY

10:00 AM Europe/London
Surf Quality: EXCELLENT
12 AM6 AM12 PM6 PM11 PM
SUN

🌊 Surf Quality Timeline

Best windows in green
12AM6AM12PM6PM11PM

🌬️ WIND

N
E
S
W
5
kt

🌊 SWELL

N
E
S
W
4.8
ft
🌊
SWELL
HEIGHT
4.8ft
🌊
SWELL
PERIOD
12s
💨
WIND GUSTS
5kt
🌡️
AIR TEMP
16°C
🌊
SECONDARY
SWELL
3.2ft @
15s
🌧️
PRECIPITATION
0mm
SURF QUALITY
EXCELLENT
Excellent conditions right now! Solid 4.8ft swell with quality 12s ground swell and gentle offshore winds keeping it clean

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📊 7-Day Detailed Forecast

Expandable daily forecasts with hourly details

Sunday

Apr 5
EXCELLENT17 excellent hours
🌊 4.8-6.9ft 💨 5-11kt 🌡️ 15-17°C
TimeQualitySwell HeightPeriodSwell DirWind SpeedWind DirGustsAir TempWater TempRain
12:00 AM
EXCELLENT
5.4ft12sNW8ktNNE8kt15°C15°C0mm
1:00 AM
GOOD
5.3ft12sNW9ktNNE10kt15°C15°C0mm
2:00 AM
GOOD
5.3ft12sNW9ktNNE10kt15°C15°C0mm
3:00 AM
EXCELLENT
5.2ft12sNW8ktNNE10kt15°C15°C0mm
4:00 AM
EXCELLENT
5.1ft12sNW8ktNE9kt15°C15°C0mm
5:00 AM
EXCELLENT
5.1ft12sNW7ktNE8kt15°C15°C0mm
6:00 AM
EXCELLENT
5ft12sNW6ktNE7kt15°C15°C0mm
7:00 AM
EXCELLENT
5ft12sNW5ktNE6kt15°C15°C0mm
8:00 AM
EXCELLENT
4.9ft12sNW5ktNE5kt15°C15°C0mm
9:00 AM
EXCELLENT
4.9ft12sNW5ktNE5kt15°C15°C0mm
10:00 AM
EXCELLENT
4.8ft12sNW5ktNE5kt16°C15°C0mm
11:00 AM
EXCELLENT
5.3ft13sNW6ktNNE6kt16°C15°C0mm
12:00 PM
EXCELLENT
5.7ft13sNW6ktN6kt16°C15°C0mm
1:00 PM
EXCELLENT
6.2ft14sNW7ktN7kt17°C15°C0mm
2:00 PM
GOOD
6.3ft14sNW8ktN8kt16°C15°C0mm
3:00 PM
GOOD
6.4ft14sNW9ktN10kt16°C15°C0mm
4:00 PM
FAIR
6.6ft14sNW11ktN12kt15°C15°C0mm
5:00 PM
GOOD
6.6ft14sNW9ktN10kt15°C15°C0mm
6:00 PM
GOOD
6.7ft14sNW8ktN9kt15°C15°C0mm
7:00 PM
EXCELLENT
6.8ft14sNW7ktN7kt15°C15°C0mm
8:00 PM
EXCELLENT
6.8ft13sNW7ktNNE7kt15°C15°C0mm
9:00 PM
EXCELLENT
6.8ft13sNW7ktNNE7kt15°C15°C0mm
10:00 PM
EXCELLENT
6.9ft13sNW7ktNNE7kt16°C15°C0mm
11:00 PM
EXCELLENT
6.9ft13sNW6ktNE7kt16°C15°C0mm

Monday

Apr 6
POOR8 excellent hours
🌊 4.3-6.8ft 💨 5-23kt 🌡️ 15-17°C

Tuesday

Apr 7
POORCheck individual hours
🌊 3.8-13.8ft 💨 13-18kt 🌡️ 12-16°C

Wednesday

Apr 8
POORCheck individual hours
🌊 10.0-13.0ft 💨 16-26kt 🌡️ 11-13°C

Thursday

Apr 9
POORCheck individual hours
🌊 5.1-9.8ft 💨 21-29kt 🌡️ 13-14°C

Friday

Apr 10
POOR1 good hours
🌊 5.2-8.8ft 💨 11-23kt 🌡️ 13-14°C

Saturday

Apr 11
POORCheck individual hours
🌊 2.8-10.9ft 💨 19-31kt 🌡️ 12-14°C

Forecast Summary

Best Day:Check forecast for optimal conditions
Average Swell:5.8ft @ 13s
Wind Conditions:5-23kt NNE
Water Temperature:15°C

Local Knowledge & Surf Guide

Local Knowledge

Cave (also known as "The Basement" or "Sete Bafos") in Portugal is widely regarded as the heaviest and most dangerous wave in the Ericeira World Surfing Reserve, suitable only for expert surfers. This is an extremely shallow, fast, and hollow right-hand reef break that breaks over a rocky platform, generating intense suction that forms a powerful, square barrel. The spot is inconsistent, requiring significant swell to work. When it does, optimal conditions are provided by a Northwest swell and offshore winds from the East (NE-SE), typically surfed during mid- to high-tide. Hazards are extreme, including impact with a razor-sharp, shallow reef, making a mistake potentially life-threatening. The best, most powerful waves occur in the autumn and winter months.

Best Swell Direction: W
Bottom Type: Sand and Reef
Location: Town: Mafra | Village: Santo Isidoro | Neighborhood: Ribamar | County: Lisboa | Country: Portugal | Postcode: 2640-027 | Road: Trilhos do Mar | Full Address: Trilhos do Mar, Ribamar, Santo Isidoro, Mafra, Lisboa, 2640-027, Portugal

Ideal Conditions

This spot performs best under these specific conditions. Forecasts take these into account when rating surf quality.

Ideal Swell DirectionNW
Ideal Wind DirectionE

🌊 Tide Table

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🌅 Sunrise & 🌙 Moon

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